[go: up one dir, main page]

EP0444619A3 - Process for producing 2-hydroxyquinoxaline derivatives - Google Patents

Process for producing 2-hydroxyquinoxaline derivatives Download PDF

Info

Publication number
EP0444619A3
EP0444619A3 EP19910102831 EP91102831A EP0444619A3 EP 0444619 A3 EP0444619 A3 EP 0444619A3 EP 19910102831 EP19910102831 EP 19910102831 EP 91102831 A EP91102831 A EP 91102831A EP 0444619 A3 EP0444619 A3 EP 0444619A3
Authority
EP
European Patent Office
Prior art keywords
hydroxyquinoxaline
derivatives
producing
hydroxyquinoxaline derivatives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19910102831
Other versions
EP0444619A2 (en
Inventor
Hisabumi Kobayashi
Hiroshi Maruyama
Shuji Kawata
Sadahiko Noda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2290897A external-priority patent/JPH03279367A/en
Application filed by Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Publication of EP0444619A2 publication Critical patent/EP0444619A2/en
Publication of EP0444619A3 publication Critical patent/EP0444619A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40Benzopyrazines
    • C07D241/44Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP19910102831 1990-03-01 1991-02-26 Process for producing 2-hydroxyquinoxaline derivatives Withdrawn EP0444619A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP47170/90 1990-03-01
JP4717090 1990-03-01
JP290897/90 1990-10-30
JP2290897A JPH03279367A (en) 1990-03-01 1990-10-30 Production of 2-hydroxyquinoxaline derivative

Publications (2)

Publication Number Publication Date
EP0444619A2 EP0444619A2 (en) 1991-09-04
EP0444619A3 true EP0444619A3 (en) 1992-01-29

Family

ID=26387327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910102831 Withdrawn EP0444619A3 (en) 1990-03-01 1991-02-26 Process for producing 2-hydroxyquinoxaline derivatives

Country Status (3)

Country Link
US (1) US5169955A (en)
EP (1) EP0444619A3 (en)
HU (1) HUT56832A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2987073T3 (en) 2018-08-02 2024-11-13 Dev Ct Biotechnology One-step regioselective process for synthesizing 2-hydroxyquinoxaline

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA728649A (en) * 1966-02-22 Donau-Pharmazie Gesellschaft M.B.H. Dihydroquinoxalone-(2) derivatives and process of preparing same
US2537871A (en) * 1946-07-03 1951-01-09 Merck & Co Inc 2-aminoquinoxaline and process of preparing same
US3928350A (en) * 1971-06-30 1975-12-23 Du Pont Preparation of 3-substituted 2-hydroxyquinoxalines by reaction of 0-arylenediamines with trihalovinyl epoxides
PH15791A (en) * 1978-10-20 1983-03-25 Lilly Co Eli Pharmaceutical composition containing 3,4-dihydro-3-oxoquinoxalines
JPS57130977A (en) * 1981-02-06 1982-08-13 Nippon Synthetic Chem Ind Co Ltd:The Preparation of 2-hydroxyquinoxaline
US4450271A (en) * 1982-07-19 1984-05-22 Industrial Technology Research Institute Preparation of 2-hydroxyquinoxaline
JPS59216878A (en) * 1983-05-25 1984-12-06 Nippon Kayaku Co Ltd Production of 2-quinoxalinol
US4814444A (en) * 1987-06-19 1989-03-21 Uniroyal Chemical Company, Inc. Process for the selective reduction of 2-hydroxyquinoxaline-4-oxides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 227 (C-134)(1105) 12 November 1982 & JP-A-57 130 977 ( NIPPON GOSEI ) *

Also Published As

Publication number Publication date
HUT56832A (en) 1991-10-28
HU910614D0 (en) 1991-09-30
EP0444619A2 (en) 1991-09-04
US5169955A (en) 1992-12-08

Similar Documents

Publication Publication Date Title
HU910400D0 (en) Process for producing 3-aryl-carbonyl-1h-indole derivatives
HU911492D0 (en) Process for producing bis-aryl-amide and -urea derivatives
HUT61600A (en) Process for producing l-triptophane
HU913836D0 (en) Method for producing alpha-oxoacetamide derivatives
HUT62903A (en) Process for producing cefalosporin derivatives
HUT56825A (en) Process for producing substituted 2-chloropyridines
HU912693D0 (en) Process for producing indolo-naphtyridine derivatives
HU912639D0 (en) Process for producing (fluor-ethyl)-camptotecine derivatives
HUT59388A (en) Process for producing 8-chloroquinolone derivatives
HUT58785A (en) Process for producing hypoallergene moth-oils
HUT59695A (en) Process for producing hydroxy-ethyl-amine- and norstai
HU912732D0 (en) Process for producing 1-alkyl-isoquinoline derivatives
HUT61770A (en) Process for producing new cepheme derivatives
HU910326D0 (en) Process for producing 2-chloro-5-methyl-pyridine derivatives
HUT62860A (en) Process for producing 5-substituted-2-chloropyridine derivatives
HUT60239A (en) Process for producing glian
HUT61530A (en) Process for producing 1-hydroxyalkyl-5-nitroimidazoles
HU910745D0 (en) Process for producing 1-treonine
HU910578D0 (en) Process for producing 4-hydroxiphenethyl-alcohol
HUT58302A (en) Process for producing n-alkyl-sulfonal-amino-sulfonyl-urea derivatives
HUT58284A (en) Process for producing alkyl-sulfonanilide derivatives
HUT58301A (en) Process for producing n-alkyl-sulfonyl-amino-sulfonyl-urea derivatives
HU905719D0 (en) Process for producing new amino-quinoline derivatives
HU907014D0 (en) Process for producing new 1-azabicycloalkane derivatives
GB2267705B (en) Process for producing 2-alkyl-4-halo-5-formylimidazoles

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19910321

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH DE FR GB LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH DE FR GB LI

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19931106